<template>
    <div class="goods-list" to=""> 
        <!-- <router-link class="goods-item" v-for="item in goodslist" :key="item.id"
          :to="'/home/goodsinfo/' + item.id" tag="div">
            <img :src="item.img_url" alt="">
            <h1 class="title">{{ item.title }}</h1>
            <div class="info">
                <p class="price">
                    <span class="now">{{ item.sell_price }}</span>
                    <span class="old">{{ item.market_price }}</span>
                </p>
                <p class="sell">
                    <span>热卖中</span>
                    <span>剩{{ item.stock_quantity }}件</span>
                </p>
            </div>
        </router-link> -->

        <!-- 网页中，路由跳转有两种 -->
        <!-- 方式1: 使用 a 标签的形式叫 标签跳转 -->
        <!-- 方式2: 使用 window.location.href 的形式,叫做编程式导航 -->
        <div class="goods-item" v-for="item in goodslist" :key="item.id"
          @click="goDetail(item.id)">
            <img :src="item.img_url" alt="">
            <h1 class="title">{{ item.title }}</h1>
            <div class="info">
                <p class="price">
                    <span class="now">{{ item.sell_price }}</span>
                    <span class="old">{{ item.market_price }}</span>
                </p>
                <p class="sell">
                    <span>热卖中</span>
                    <span>剩{{ item.stock_quantity }}件</span>
                </p>
            </div>
        </div>

        <mt-button type="danger" size="large" @click="getMore">加载更多</mt-button>
    </div>
</template>

<style scoped>
.goods-list{
    display: flex;
    flex-wrap: wrap;
    padding: 7px;
    justify-content: space-between;
}

.goods-list .goods-item{
    width: 49%;
    border: 1px solid #ccc;
    box-shadow: 0 0 8px #ccc;
    margin: 4px 0;
    padding: 2px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 293px;
}

.goods-list .goods-item img{
    width: 100%;
}

.goods-list .goods-item .title{
    font-size: 14px;
}

.goods-list .goods-item .info{
    background-color: #eee;
}

.goods-list .goods-item .info p{
    margin: 0;
    padding: 5px;
}

.goods-list .goods-item .info .price .now{
    color: red;
    font-size: 16px;
    font-weight: bold;
}

.goods-list .goods-item .info .price .old{
    text-decoration: line-through;
    font-size: 12px;
    margin-left: 10px;
}

.goods-list .goods-item .info .sell{
    display: flex;
    justify-content: space-between; 
    font-size: 13px;
}
</style>

<script>
import { log } from 'util';
export default {
    data () {
        //data 是往自己组件内部，挂载一些私有数据的
        return {
            pageindex: 1,
            goodslist: []
        }
    },
    created(){
        this.getGoodsList()
    },
    methods: {
        getGoodsList(){
            this.$http.get("api/getgoods?pageindex=" + this.pageindex)
            .then(result => {
                if(result.body.status === 0) {
                    this.goodslist = this.goodslist.concat(result.body.message);
                }
            })
        },
        getMore(){
            this.pageindex++;
            this.getGoodsList();
        },
        goDetail(id){
            //使用 js 的形式进行路由导航

            //注意: 一定要区分 this.$route 和 this.$router 这两个对象
            //其中: this.$route 是路由参数对象,所有路由中的参数, params,query 都属于它
            //其中: this.$router 是一个路由导航对象,用它 可以方便的 使用 JS 代码,实现
            //路由的前进,后退,跳转到新的 URL 地址
            // 方式1:(最简单)
            // this.$router.push("/home/goodsinfo/" + id);
            // 方式2:传递对象
            // this.$router.push({path: "/home/goodsinfo/" + id});
            // 方式3:传递命名的路由
            this.$router.push({ name:"goodsinfo", params: {id} })
        }
    }
}
</script>